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Knut Fehl
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Schluchtern, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Multi-layer membrane-electrode-assembly (ML-MEA) and method for its...
Patent number
8,361,674
Issue date
Jan 29, 2013
Umicore AG & Co. KG
Ralf Zuber
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Ink for producing membrane electrode assemblies for fuel cells
Patent number
7,754,369
Issue date
Jul 13, 2010
Umicore AG & Co. KG
Karl-Anton Starz
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Process for the manufacture of membrane-electrode-assemblies using...
Patent number
7,147,959
Issue date
Dec 12, 2006
Umicore AG & Co. KG
Joachim Köhler
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Process for producing a membrane electrode assembly and the membran...
Patent number
6,893,761
Issue date
May 17, 2005
Umicore AG & Co. KG
Joachim Köhler
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Gas diffusion structures and gas diffusion electrodes for polymer e...
Patent number
6,803,143
Issue date
Oct 12, 2004
Umicore AG & Co. KG
Ralf Zuber
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Process for applying electrode layers to a polymer electrolyte memb...
Patent number
6,500,217
Issue date
Dec 31, 2002
Degussa-Huls Aktiengesellschaft
Karl-Anton Starz
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Membrane-electrode unit for polymer electrolyte fuel cells and proc...
Patent number
6,309,772
Issue date
Oct 30, 2001
Degussa AG
Ralf Zuber
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Catalyst layer for polymer electrolyte fuel cells
Patent number
6,156,449
Issue date
Dec 5, 2000
Degussa-Huls Aktiengellschaft
Ralf Zuber
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Pastes for fired-on layers
Patent number
5,882,549
Issue date
Mar 16, 1999
Degussa Aktiengesellschaft
Ralf Zuber
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Patents Applications
last 30 patents
Information
Patent Application
Multi-Layer Membrane-Electrode-Assembly (Ml-Mea) and Method for Its...
Publication number
20070231689
Publication date
Oct 4, 2007
Umicore AG & Co. KG
Ralf Zuber
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Process for the manufacture of membrane-electrode-assemblies using...
Publication number
20030224233
Publication date
Dec 4, 2003
Joachim Kohler
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Process for producing a membrane electrode assembly adn the membran...
Publication number
20030059658
Publication date
Mar 27, 2003
OMG AG & Co. KG
Joachim Kohler
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Application
Gas diffusion structures and gas diffusion electrodes for polymer e...
Publication number
20020041992
Publication date
Apr 11, 2002
Ralf Zuber
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Ink for producing membrane electrode assemblies for fuel cells
Publication number
20020034674
Publication date
Mar 21, 2002
Karl-Anton Starz
H01 - BASIC ELECTRIC ELEMENTS